Re: ConnectX MNPH29B-XTC_A1-A2 peak traffic
Hi, I looked at the log you sent but I can't think of anything I've seen before. It looks like the kernel is failing on alloc operation which could happen because of various reasons. Initially, I...
View ArticleRe: Cannot get 40Gbps on Ethernet mode with ConnectX-3 VPI
Hi, i saw you applied a good set of performance tuning parameters but still go through the recommended once and make sure you didn't leave anything impotent...
View ArticleRe: MTU 4K on ISR 9024-D-M
it is quite an old switch and i am not sure if it supported the 4K MTU.
View ArticleRe: Connect problems with ISR 9024 switch
Hi Paul, i couldn't see what error message you are referring to. the GUI screenshot looks clean or maybe i missed anything.you also said you tested B2B with local OpenSM on the servers. pay attention...
View ArticleRe: fan speed on IS5023
Hi Eric, can you try re-seating the fan?if still the same, replace th fan unit with another fan unit ( if you have one lying around) if this fails, open an RMA request at: Mellanox Technologies: RMA...
View ArticleRe: Cannot get 40Gbps on Ethernet mode with ConnectX-3 VPI
Hi and thanks for the reply, I have 8 cores in total on each server, but when I use more than 4 on iperf (e.g. -P 8), I get worse performance. I guess this is because I have two sockets, and each of...
View ArticleRe: Mellanox IS5030 - Broken Firmware
Hi Randal, 1. What is the software version of the switch? run "show version concise"?you can re-instate the original PSID to the switch by burning the correct bin file: 2. upload the attached bin file...
View ArticleRe: Cannot get 40Gbps on Ethernet mode with ConnectX-3 VPI
Hi, Happy to see you were able to find the missing performance numbers the performance tuning guide i provided above has the --set-priv-flags recommendation - see page 15.there is also a kernel...
View ArticleRe: OFED install - not a valid identifier issue
I have this issue as well, installing mlnx-en-2.3-1.0.0 on CentOS 6.6. Build output is as follows: make[1]: Entering directory `/usr/src/kernels/2.6.32-504.1.3.el6.x86_64' CC [M]...
View ArticleRe: OFED install - not a valid identifier issue
Hi Isaac, I believe that the kernel issue you are describing is fixed in MLNX_OFED 2.3-2.0.0 Please give it a try and report back.
View ArticleRe: Mellanox IS5030 - Broken Firmware
Hi!If you can access console with serial port, you'll be boot from 2nd boot image. Then you can update appropriate firmware for your switch. IS5030 has 2 boot image bank and will update each boot image...
View ArticleRe: File Copy Performance on ConnectX-2
Hi! I'm so sorry for my late answer...:)You must use 4k MTU and tune some parameters.RSS, LRO, MTU in device manager and use latest Mellanox driver and firmware for your Windows server. Good luck...:)
View ArticleRe: OFED install - not a valid identifier issue
Hi, Erez, The drivers download website only has 2.3-1. Where can I find 2.3-2? Thanks Isaac
View ArticleRe: OFED install - not a valid identifier issue
Hi Isaac, You're right, I only noticed the complete MLNX_OFED version went live on the web. it already contains mlx4_en 2.3-2 and you can try if that works out for you the mlx4_en standalone version...
View ArticleRe: Connect problems with ISR 9024 switch
The switch indicates all ports are disconnected even with a cable in any of them. I toggle the enable/disable ports and there is no difference. If I use direct connection between nodes using IPoIB it...
View ArticleInfiniHost III Ex - Suspend/Resume not working on Debian Linux
Hello, I'm using an InfiniHost III Ex / MT25208 on Debian/Jessie and after running 'pm-suspend' and then resuming, my network stops responding. If I try to use ibstat or ibstatus then I will experience...
View ArticleconnectX-3 Port protocol setting
Ihaveaquestionabout "port protocl setting ". when I install the driver, The default setting of “port protoclol ” is “HW defaults ”。How to make it into the “auto” when I install the driver . OS...
View ArticleRe: InfiniHost III Ex - Suspend/Resume not working on Debian Linux
Hi, It's a bit hard to understand what actually happened without looking at the full kernel log. but the first issue looks like a memory issue with QP registrations which was most likely caused by an...
View ArticleRe: connectX-3 Port protocol setting
Hi, HW Defaults is currently the default out of the box mode which means that the port protocols will be determined according to the NIC’s hardware default values. the default mode currently cannot be...
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